Solid phase
Official name
Sodium vanadate(V)
Secondary names
Sodium orthovanadate; Trisodium vanadate; Sodium pervanadate; Sodium vanadium oxide; Trisodium tetraoxovanadate; Vanadic acid, trisodium salt
CAS number
13721-39-6
Type
Family
ionic solid
Class
normal salt
Compound type
vanadate
Chemical composition
Formula
$Na^+_3.(VO_4)^{3-}$
Chemical formula
Na3VO4
Elemental formula
(Na+)3 V O (O-)3
Isotope mixture type
terrestrial abundance
8.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Na^+$ Sodium cation element 3 0.75 1 constituent cation main
$[VO_4]^{3-}$ Orthovanadate anion molecule 1 0.25 1 molecular ion main
Chemical functions
  Function Number
$(VO_4)^{3-}$ 1
Chemical bonds
  Bond Number
$Na^+ \cdot O^{-}-$ 3
$V=O$ 1
$=V-O^{-}$ 3
$\dddot - \dddot - \dddot - V \dddot - O^{-3/4}$ 4
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Crystal system
orthorhombic
Crystal class
dipyramidal
Crystal class symbol
mmm (D2h)
Crystal spacegroup
Pnma
Molar mass
183.908 $g/mol$
Density
2.16 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-solid cubic phase ?
Phase transitions comments
There cubic (P2(1)3) high temperature phase (with unknown transition phase) melt at 858°C (1131K)
Refringence type
biaxial
Pure color
colorless
Color
white
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